Adrenergic Receptors

Question 1

Beta-1 receptors

Answer 1

~positive inotropic effects stimulating the cardiac
muscle to inc. HR, CO, contractility
~inc AV node conduction

Question 2

Alpha-1 receptors

Answer 2

~Vasoconstrict peripheral arterioles to inc. BP, SVR
~Pupils to dilate (mydriasis)
~Smooth muscle contraction

Question 3

Beta-2 receptors

Answer 3

~Vasodilate peripheral arterioles
~Relaxation of smooth muscles (bronchodilation,
uterine muscle, decreased, GI motility)

Question 4

Dopaminergic receptors

Answer 4

~positive chronotropic and inotropic effects on the
heart (inc. HR and contractility)